Difficulty

Moderate

Steps

17

Time Required

                          15 minutes

Sections

4

  • Battery
  • 2 steps
  • Motherboard
  • 10 steps
  • Bezel and External Casing
  • 4 steps
  • Speaker
  • 1 step

Flags

6

Needs Better Images

Better photos will improve this guide. Help out by taking, editing, or uploading new ones!

Grammar Police

Embrace your inner English teacher and help improve this guide’s grammar!

Action Shots

Be an action hero! This guide needs images that better demonstrate how to perform specific actions.

Bullets!

Better coordination with markups and the color/type of bullets will help make this guide more clear!

Confusing Text

Some of this guide’s text is confusing, duplicated, or off-topic. Clarify it by editing!

Inconsistent Images

Updating the images on this guide to be more consistent with the prerequisites would increase its awesomeness.

  • BackLG Vu CU920

  • Full Screen

  • Options

  • History

  • Save to Favorites

  • Download PDF

  • Edit

  • Translate

  • Get Shareable Link

  • Embed This Guide

  • Notify Me of Changes

  • Stop Notifications

Introduction

What you need

Step 1

              Battery
  • Remove the back cover by firmly pressing against the indent on the back panel. Slide the cover downward and off the phone.

Remove the back cover by firmly pressing against the indent on the back panel. Slide the cover downward and off the phone.

1024

Step 2

  • Remove the battery by placing your fingernail or an opening tool at the bottom edge of the battery and lift it out.

Remove the battery by placing your fingernail or an opening tool at the bottom edge of the battery and lift it out.

Step 3

              Motherboard
  • Remove the two 3.5mm screws above the battery port with a Philips #00 screwdriver.

Remove the two 3.5mm screws above the battery port with a Philips #00 screwdriver.

Step 4

  • Pull out the antenna to reveal a third screw.
  • Remove the 3.5mm screw with Philips #00 screwdriver.

Pull out the antenna to reveal a third screw.

Remove the 3.5mm screw with Philips #00 screwdriver.

Step 5

  • Locate the plastic tab next to the charging port and use a plastic opening tool to gently pop it out.
  • Use the plastic opening tool to pry up the edges of the plastic casing. You should be able to slide it around the edge to dislodge it.

Locate the plastic tab next to the charging port and use a plastic opening tool to gently pop it out.

Use the plastic opening tool to pry up the edges of the plastic casing. You should be able to slide it around the edge to dislodge it.

Step 6

  • Remove the plastic covering to reveal the motherboard.

Remove the plastic covering to reveal the motherboard.

Step 7

  • Locate these six components on the motherboard. They must be detached before the motherboard can be removed.

Locate these six components on the motherboard. They must be detached before the motherboard can be removed.

Step 8

  • Gently lift the ZIF connector (black tab) holding the ribbon cable in place. When it is in the upright position, the cable can be removed from the back side.

Gently lift the ZIF connector (black tab) holding the ribbon cable in place. When it is in the upright position, the cable can be removed from the back side.

Step 9

  • Remove the jack attached to the red and blue wires by carefully pulling it upward from the motherboard.

Remove the jack attached to the red and blue wires by carefully pulling it upward from the motherboard.

Step 10

  • Remove the round jack connected to the black cabel by carefully prying it up from beneath with a spudger or plastic opening tool.
  • This jack snaps on, so there will be more resistance than there was with the previous jack.

Remove the round jack connected to the black cabel by carefully prying it up from beneath with a spudger or plastic opening tool.

This jack snaps on, so there will be more resistance than there was with the previous jack.

Step 11

  • The remaining three ribbon cables can be removed by gently lifting them by the ends opposite the cables with a plastic opening tool or spudger until they pop out.

The remaining three ribbon cables can be removed by gently lifting them by the ends opposite the cables with a plastic opening tool or spudger until they pop out.

Step 12

  • To remove the motherboard, gently pry it up with your finger from the charging port.
  • Be careful not to yank the camera’s ribbon cable as you lift the board. Make sure that it is in line with its hole in the motherboard.
  • Once the board has been lifted, remove it by pulling it away from the connected edge.

To remove the motherboard, gently pry it up with your finger from the charging port.

Be careful not to yank the camera’s ribbon cable as you lift the board. Make sure that it is in line with its hole in the motherboard.

Once the board has been lifted, remove it by pulling it away from the connected edge.

Step 13

              Bezel and External Casing
  • Remove the 3.5mm screw holding the antenna guide in place with a Philips #00 screwdriver.
  • Slide the antenna out to the edge, and remove the plastic tubing by gently pulling it out from the opposite end of the antenna.
  • This step can be done after the motherboard is removed, or before (as photographed).

Remove the 3.5mm screw holding the antenna guide in place with a Philips #00 screwdriver.

Slide the antenna out to the edge, and remove the plastic tubing by gently pulling it out from the opposite end of the antenna.

This step can be done after the motherboard is removed, or before (as photographed).

Step 14

  • Use a plastic opening tool to carefully pry up the metal antenna guide.

Use a plastic opening tool to carefully pry up the metal antenna guide.

Step 15

  • Using a Philips #00 screwdriver, remove the two 3.5mm screws on the bottom corners of the device.
  • Remove the single 3.5mm screw located at the top next to the speaker’s ribbon cable.

Using a Philips #00 screwdriver, remove the two 3.5mm screws on the bottom corners of the device.

Remove the single 3.5mm screw located at the top next to the speaker’s ribbon cable.

Step 16

  • Insert a plastic opening tool below the volume rocker and gently pry the silver casing up. As with the plastic casing over the motherboard, you should be able to slide the plastic opening tool along the edge to remove it.

Insert a plastic opening tool below the volume rocker and gently pry the silver casing up. As with the plastic casing over the motherboard, you should be able to slide the plastic opening tool along the edge to remove it.

Step 17

              Speaker
  • Locate the speaker on the inside of the plastic casing.
  • Use a plastic opening tool to pry the speaker out. It is attached with an adhesive.
  • Install a replacement speaker in place of the old one.

Locate the speaker on the inside of the plastic casing.

Use a plastic opening tool to pry the speaker out. It is attached with an adhesive.

Install a replacement speaker in place of the old one.

To reassemble your device, follow these instructions in reverse order.

Cancel: I did not complete this guide.

                                                                                      One other person completed this guide.

Author

                                      with 2 other contributors 


                    Gregory Davis

Member since: 04/17/2013

48 Reputation

                                      5 Guides authored                  



                       Badges:
                       9







                                                        +6 more badges

Team

                       Cal Poly, Team 8-57, Johann Spring 2013                        

                                                  Member of Cal Poly, Team 8-57, Johann Spring 2013 



                    CPSU-JOHANN-S13S8G57                     


                                            4 Members                     


                                            7 Guides authored